Seiko Cal. 4437 - 301

This Quartz model from 1991 features a 42mm PVD Black case. Powered by the 4437 caliber with 25j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-62b7eba34e12]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1991

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